Columbia Banking System, Inc. SEC filings COLB
Columbia Banking System, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to May 26, 2017. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 30, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 10-Q | Quarterly report | Nov 5, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 10-Q | Quarterly report | Oct 28, 2022 | Sep 30, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Jul 31, 2020 | Jun 30, 2020 |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| 10-Q | Quarterly report | Nov 6, 2019 | Sep 30, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 10-Q | Quarterly report | May 3, 2019 | Mar 31, 2019 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 10-Q | Quarterly report | Aug 7, 2018 | Jun 30, 2018 |
| 10-Q | Quarterly report | May 4, 2018 | Mar 31, 2018 |
| 10-Q | Quarterly report | Nov 8, 2017 | Sep 30, 2017 |
| 10-Q | Quarterly report | Aug 9, 2017 | Jun 30, 2017 |
Showing 29 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- State Commercial Banks (SIC 6022)
- Listed as
- COLB (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- WA
- Headquarters
- Tacoma, WA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 887343
- Former names
- COLUMBIA BANKING SYSTEM INC (until May 3, 2019)
Other State Commercial Banks companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.